Glycerin, a biodiesel by-product with potentiality to produce hydrogen by steam gasification
Article
Article Title | Glycerin, a biodiesel by-product with potentiality to produce hydrogen by steam gasification |
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ERA Journal ID | 123161 |
Article Category | Article |
Authors | Suero, Silvia Roman (Author), Cano, Beatriz Ledesma (Author), Alvarez-Murillo, Andres (Author), Al-Kassir, Awf (Author) and Yusaf, Talal (Author) |
Journal Title | Energies |
Journal Citation | 8 (11), pp. 12765-12775 |
Number of Pages | 10 |
Year | 2015 |
Publisher | MDPI AG |
Place of Publication | Switzerland |
ISSN | 1996-1073 |
Digital Object Identifier (DOI) | https://doi.org/10.3390/en81112339 |
Web Address (URL) | http://www.mdpi.com/1996-1073/8/11/12339 |
Abstract | This work investigates the possibility of providing a use to one of the major byproducts generated during biodiesel processing: glycerin. In particular, the steam gasification of water/glycerin mixtures is studied, analysing the influence of temperature (range 600-900 °C), inlet flow rate (0.5-3 mL· min-1) and water/glycerin ratio (6-12 wt/wt, %) on the gas composition (H2, CO, CH4 and CO2), higher heating value, and generated power. In general, a more diluted water/glycerin mixture is more interesting in order to provide a higher fraction of hydrogen in the gas produced, although it also involves a decrease in the power obtained. Higher temperatures cause a greater contribution of water gas and water gas shift reactions in all cases, thus increasing the H2 proportion of the gas. Finally, a greater inlet flow rate increases gas production, but decreases the hydrogen proportion. |
Keywords | glycerin; hydrogen; steam gasification; synthesis gas |
Byline Affiliations | University of Extremadura, Spain |
National Centre for Engineering in Agriculture | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q3z72/glycerin-a-biodiesel-by-product-with-potentiality-to-produce-hydrogen-by-steam-gasification
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